# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. from __future__ import print_function import os import time import numpy as np import paddle.fluid as fluid from paddlerec.core.utils import envs __all__ = [ "RunnerBase", "SingleRunner", "PSRunner", "CollectiveRunner", "PslibRunner" ] def as_numpy(tensor): """ Convert a Tensor to a numpy.ndarray, its only support Tensor without LoD information. For higher dimensional sequence data, please use LoDTensor directly. Examples: .. code-block:: python import paddle.fluid as fluid import numpy new_scope = fluid.Scope() with fluid.scope_guard(new_scope): fluid.global_scope().var("data").get_tensor().set(numpy.ones((2, 2)), fluid.CPUPlace()) tensor = new_scope.find_var("data").get_tensor() fluid.executor.as_numpy(tensor) # or numpy.array(new_scope.find_var("data").get_tensor()) Args: tensor(Variable): a instance of Tensor Returns: numpy.ndarray """ if isinstance(tensor, fluid.core.LoDTensorArray): return [as_numpy(t) for t in tensor] if isinstance(tensor, list): return [as_numpy(t) for t in tensor] assert isinstance(tensor, fluid.core.LoDTensor) lod = tensor.lod() # (todo) need print lod or return it for user if tensor._is_initialized(): return np.array(tensor) else: return None class RunnerBase(object): """R """ def __init__(self, context): pass def exuctor(self, context): pass def _run(self, context, model_dict): reader_name = model_dict["dataset_name"] name = "dataset." + reader_name + "." if envs.get_global_env(name + "type") == "DataLoader": self._executor_dataloader_train(model_dict, context) else: self._executor_dataset_train(model_dict, context) def _executor_dataset_train(self, model_dict, context): reader_name = model_dict["dataset_name"] model_name = model_dict["name"] model_class = context["model"][model_dict["name"]]["model"] fetch_vars = [] fetch_alias = [] fetch_period = int( envs.get_global_env("runner." + context["runner_name"] + ".print_interval", 20)) scope = context["model"][model_name]["scope"] program = context["model"][model_name]["main_program"] reader = context["dataset"][reader_name] with fluid.scope_guard(scope): if context["is_infer"]: metrics = model_class.get_infer_results() if metrics: fetch_vars = metrics.values() fetch_alias = metrics.keys() context["exe"].infer_from_dataset( program=program, dataset=reader, fetch_list=fetch_vars, fetch_info=fetch_alias, print_period=fetch_period, debug=envs.get_global_env("debug", False)) else: metrics = model_class.get_metrics() if metrics: fetch_vars = metrics.values() fetch_alias = metrics.keys() with fluid.scope_guard(scope): context["exe"].train_from_dataset( program=program, dataset=reader, fetch_list=fetch_vars, fetch_info=fetch_alias, print_period=fetch_period, debug=envs.get_global_env("debug", False)) def _executor_dataloader_train(self, model_dict, context): model_name = model_dict["name"] model_class = context["model"][model_dict["name"]]["model"] program = self._get_dataloader_program(model_dict, context) fetch_period = int( envs.get_global_env("runner." + context["runner_name"] + ".print_interval", 20)) if context["is_infer"]: metrics = model_class.get_infer_results() else: metrics = model_class.get_metrics() metrics_varnames = [] metrics_format = [] metrics_format.append("{}: {{}}".format("batch")) for name, var in metrics.items(): metrics_varnames.append(var.name) metrics_format.append("{}: {{}}".format(name)) metrics_format = ", ".join(metrics_format) reader = context["model"][model_dict["name"]]["model"]._data_loader reader.start() batch_id = 0 scope = context["model"][model_name]["scope"] with fluid.scope_guard(scope): try: while True: metrics_tensors = context["exe"].run( program=program, fetch_list=metrics_varnames, return_numpy=False) metrics = [batch_id] metrics_rets = [ as_numpy(metrics_tensor) for metrics_tensor in metrics_tensors ] metrics.extend(metrics_rets) if batch_id % fetch_period == 0 and batch_id != 0: print(metrics_format.format(*metrics)) batch_id += 1 except fluid.core.EOFException: reader.reset() def _get_dataloader_program(self, model_dict, context): model_name = model_dict["name"] if context["model"][model_name]["compiled_program"] == None: if context["is_infer"]: program = context["model"][model_name]["main_program"] elif context["is_fleet"]: if context["fleet_mode"].upper() == "PS": program = self._get_ps_program(model_dict, context) elif context["fleet_mode"].upper() == "COLLECTIVE": program = context["model"][model_name]["main_program"] elif not context["is_fleet"]: if context["device"].upper() == "CPU": program = self._get_single_cpu_program(model_dict, context) elif context["device"].upper() == "GPU": program = self._get_single_gpu_program(model_dict, context) context["model"][model_name]["compiled_program"] = program return context["model"][model_name]["compiled_program"] def _get_strategy(self, model_dict, context): _build_strategy = fluid.BuildStrategy() _exe_strategy = fluid.ExecutionStrategy() # 0: kCoeffNumDevice; 1: One; 2: Customized _gradient_scale_strategy = model_dict.get("gradient_scale_strategy", 0) if _gradient_scale_strategy == 0: gradient_scale_strategy = fluid.BuildStrategy.GradientScaleStrategy.CoeffNumDevice elif _gradient_scale_strategy == 1: gradient_scale_strategy = fluid.BuildStrategy.GradientScaleStrategy.One elif _gradient_scale_strategy == 2: gradient_scale_strategy = fluid.BuildStrategy.GradientScaleStrategy.Customized else: raise ValueError( "Unsupported config. gradient_scale_strategy must be one of [0, 1, 2]." ) _build_strategy.gradient_scale_strategy = gradient_scale_strategy if "thread_num" in model_dict and model_dict["thread_num"] > 1: _build_strategy.reduce_strategy = fluid.BuildStrategy.ReduceStrategy.Reduce _exe_strategy.num_threads = model_dict["thread_num"] os.environ['CPU_NUM'] = str(_exe_strategy.num_threads) return _exe_strategy, _build_strategy def _get_single_gpu_program(self, model_dict, context): model_name = model_dict["name"] return context["model"][model_name]["main_program"].clone() def _get_single_cpu_program(self, model_dict, context): model_name = model_dict["name"] model_class = context["model"][model_dict["name"]]["model"] program = context["model"][model_name]["main_program"].clone() _exe_strategy, _build_strategy = self._get_strategy(model_dict, context) program = fluid.compiler.CompiledProgram(program).with_data_parallel( loss_name=model_class.get_avg_cost().name, build_strategy=_build_strategy, exec_strategy=_exe_strategy) return program def _get_ps_program(self, model_dict, context): model_name = model_dict["name"] model_class = context["model"][model_dict["name"]]["model"] program = context["model"][model_name]["main_program"].clone() _build_strategy = context["strategy"].get_build_strategy() _exe_strategy = context["strategy"].get_execute_strategy() if "thread_num" in model_dict and model_dict["thread_num"] > 1: _build_strategy.reduce_strategy = fluid.BuildStrategy.ReduceStrategy.Reduce _exe_strategy.num_threads = model_dict["thread_num"] os.environ['CPU_NUM'] = str(_exe_strategy.num_threads) _gradient_scale_strategy = model_dict.get("gradient_scale_strategy", 0) if _gradient_scale_strategy == 0: gradient_scale_strategy = fluid.BuildStrategy.GradientScaleStrategy.CoeffNumDevice elif _gradient_scale_strategy == 1: gradient_scale_strategy = fluid.BuildStrategy.GradientScaleStrategy.One elif _gradient_scale_strategy == 2: gradient_scale_strategy = fluid.BuildStrategy.GradientScaleStrategy.Customized else: raise ValueError( "Unsurpported config. gradient_scale_strategy must be one of [0, 1, 2]." ) _build_strategy.gradient_scale_strategy = gradient_scale_strategy program = fluid.compiler.CompiledProgram(program).with_data_parallel( loss_name=model_class.get_avg_cost().name, build_strategy=_build_strategy, exec_strategy=_exe_strategy) return program def save(self, epoch_id, context, is_fleet=False): def need_save(epoch_id, epoch_interval, is_last=False): name = "runner." + context["runner_name"] + "." total_epoch = int(envs.get_global_env(name + "epochs", 1)) if epoch_id + 1 == total_epoch: is_last = True if is_last: return True if epoch_id == -1: return False return (epoch_id + 1) % epoch_interval == 0 def save_inference_model(): name = "runner." + context["runner_name"] + "." save_interval = int( envs.get_global_env(name + "save_inference_interval", -1)) if not need_save(epoch_id, save_interval, False): return feed_varnames = envs.get_global_env( name + "save_inference_feed_varnames", []) fetch_varnames = envs.get_global_env( name + "save_inference_fetch_varnames", []) if feed_varnames is None or fetch_varnames is None or feed_varnames == "" or fetch_varnames == "" or \ len(feed_varnames) == 0 or len(fetch_varnames) == 0: return fetch_vars = [ fluid.default_main_program().global_block().vars[varname] for varname in fetch_varnames ] dirname = envs.get_global_env(name + "save_inference_path", None) assert dirname is not None dirname = os.path.join(dirname, str(epoch_id)) if is_fleet: context["fleet"].save_inference_model( context["exe"], dirname, feed_varnames, fetch_vars) else: fluid.io.save_inference_model(dirname, feed_varnames, fetch_vars, context["exe"]) def save_persistables(): name = "runner." + context["runner_name"] + "." save_interval = int( envs.get_global_env(name + "save_checkpoint_interval", -1)) if not need_save(epoch_id, save_interval, False): return dirname = envs.get_global_env(name + "save_checkpoint_path", None) if dirname is None or dirname == "": return dirname = os.path.join(dirname, str(epoch_id)) if is_fleet: context["fleet"].save_persistables(context["exe"], dirname) else: fluid.io.save_persistables(context["exe"], dirname) save_persistables() save_inference_model() class SingleRunner(RunnerBase): """R """ def __init__(self, context): print("Running SingleRunner.") pass def run(self, context): epochs = int( envs.get_global_env("runner." + context["runner_name"] + ".epochs")) for epoch in range(epochs): for model_dict in context["phases"]: begin_time = time.time() self._run(context, model_dict) end_time = time.time() seconds = end_time - begin_time print("epoch {} done, use time: {}".format(epoch, seconds)) with fluid.scope_guard(context["model"][model_dict["name"]][ "scope"]): train_prog = context["model"][model_dict["name"]][ "default_main_program"] startup_prog = context["model"][model_dict["name"]][ "startup_program"] with fluid.program_guard(train_prog, startup_prog): self.save(epoch, context) context["status"] = "terminal_pass" class PSRunner(RunnerBase): def __init__(self, context): print("Running PSRunner.") pass def run(self, context): epochs = int( envs.get_global_env("runner." + context["runner_name"] + ".epochs")) model_dict = context["env"]["phase"][0] for epoch in range(epochs): begin_time = time.time() self._run(context, model_dict) end_time = time.time() seconds = end_time - begin_time print("epoch {} done, use time: {}".format(epoch, seconds)) with fluid.scope_guard(context["model"][model_dict["name"]][ "scope"]): train_prog = context["model"][model_dict["name"]][ "main_program"] startup_prog = context["model"][model_dict["name"]][ "startup_program"] with fluid.program_guard(train_prog, startup_prog): self.save(epoch, context, True) context["status"] = "terminal_pass" class CollectiveRunner(RunnerBase): def __init__(self, context): print("Running CollectiveRunner.") pass def run(self, context): epochs = int( envs.get_global_env("runner." + context["runner_name"] + ".epochs")) model_dict = context["env"]["phase"][0] for epoch in range(epochs): begin_time = time.time() self._run(context, model_dict) end_time = time.time() seconds = end_time - begin_time print("epoch {} done, use time: {}".format(epoch, seconds)) with fluid.scope_guard(context["model"][model_dict["name"]][ "scope"]): train_prog = context["model"][model_dict["name"]][ "default_main_program"] startup_prog = context["model"][model_dict["name"]][ "startup_program"] with fluid.program_guard(train_prog, startup_prog): self.save(epoch, context, True) context["status"] = "terminal_pass" class PslibRunner(RunnerBase): def __init__(self, context): print("Running PSRunner.") pass def run(self, context): context["fleet"].init_worker() model_dict = context["env"]["phase"][0] epochs = int( envs.get_global_env("runner." + context["runner_name"] + ".epochs")) for epoch in range(epochs): begin_time = time.time() self._run(context, model_dict) end_time = time.time() seconds = end_time - begin_time print("epoch {} done, use time: {}".format(epoch, seconds)) """ # online Training Can do more, As shown below: begin_day = datetime.datetime.strptime("begin_day_d", '%Y%m%d') days = int( envs.get_global_env("runner." + context["runner_name"] + ".days")) for day in range(days): for hour in range(24): day = begin_day + datetime.timedelta(days=day, hours=hour) day_s = day.strftime('%Y%m%d/%H') for dataset in envs.get_global_env("dataset"): if dataset["type"] != "DataLoader": name = dataset["name"] train_data_path = envs.get_global_env(name + "data_path") train_data_path = os.path.join(train_data_path, day_s) file_list = [ os.path.join(train_data_path, x) for x in os.listdir(train_data_path) ] context["dataset"][name].set_filelist(file_list) for epoch in range(epochs): begin_time = time.time() self._run(context, model_dict) end_time = time.time() seconds = end_time - begin_time print("epoch {} done, use time: {}".format(epoch, seconds)) with fluid.scope_guard(context["model"][model_dict["name"]] ["scope"]): train_prog = context["model"][model_dict["name"]][ "default_main_program"] startup_prog = context["model"][model_dict["name"]][ "startup_program"] with fluid.program_guard(train_prog, startup_prog): self.save(epoch, context, True) """ context["status"] = "terminal_pass" class SingleInferRunner(RunnerBase): def __init__(self, context): print("Running SingleInferRunner.") pass def run(self, context): self._dir_check(context) for index, epoch_name in enumerate(self.epoch_model_name_list): for model_dict in context["phases"]: self._load(context, model_dict, self.epoch_model_path_list[index]) begin_time = time.time() self._run(context, model_dict) end_time = time.time() seconds = end_time - begin_time print("Infer {} of {} done, use time: {}".format(model_dict[ "name"], epoch_name, seconds)) context["status"] = "terminal_pass" def _load(self, context, model_dict, model_path): if model_path is None or model_path == "": return print("load persistables from", model_path) with fluid.scope_guard(context["model"][model_dict["name"]]["scope"]): train_prog = context["model"][model_dict["name"]]["main_program"] startup_prog = context["model"][model_dict["name"]][ "startup_program"] with fluid.program_guard(train_prog, startup_prog): fluid.io.load_persistables( context["exe"], model_path, main_program=train_prog) clear_metrics = context["model"][model_dict["name"]][ "model"].get_clear_metrics() for var in clear_metrics: var.clear() def _dir_check(self, context): dirname = envs.get_global_env( "runner." + context["runner_name"] + ".init_model_path", None) self.epoch_model_path_list = [] self.epoch_model_name_list = [] for file in os.listdir(dirname): file_path = os.path.join(dirname, file) if os.path.isdir(file_path): self.epoch_model_path_list.append(file_path) self.epoch_model_name_list.append(file) if len(self.epoch_model_path_list) == 0: self.epoch_model_path_list.append(dirname) self.epoch_model_name_list.append(dirname)